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(or Brunhild), in Norse mythology, one of the Valkyries, daughter of the principal god Odin. According to the epic Volsunga Saga, she was Odin’s favorite until she disobeyed him. He put her to sleep surrounded by a ring of fire, which only the bravest hero could traverse. In some Norse legends, the supernaturally powerful maiden was the daughter of King Buthli and sister of Atli, king of the Huns.